
\begin{table}
\caption{Regression estimates of the association between IGO memberships and CPA implementation at the post-CPA year level, without control variables. Implementation scores range from 2 to 95. See text for detailed description of estimators.}
\begin{center}
\begin{scriptsize}
\begin{tabular}{l D{.}{.}{5.3} D{.}{.}{3.3} D{.}{.}{3.3}}
\toprule
 & \multicolumn{1}{c}{Within-Between random effects for post-conflict periods} & \multicolumn{1}{c}{Prais-Winsten FGLS with conflict-specific AR(1) autocorrelation and PCSEs} & \multicolumn{1}{c}{Country fixed effects and robust SEs} \\
\midrule
IGOs with high economic leverage (composite effect) &            & 13.34^{*} & 16.12^{*} \\
                                                    &            & (2.49)    & (4.27)    \\
IGOs with high economic leverage (within effect)    & 13.88^{*}  &           &           \\
                                                    & (2.87)     &           &           \\
IGOs with high economic leverage (between effect)   & -1.61      &           &           \\
                                                    & (8.56)     &           &           \\
Years since conflict (logged)                       & 13.29^{*}  & 15.47^{*} & 14.06^{*} \\
                                                    & (0.79)     & (0.56)    & (1.10)    \\
Region fixed effects (baseline: East Asia)          &            &           &           \\
                                                    &            &           &           \\
\quad Europe & Central Asia                         & 5.88       & -5.37     &           \\
                                                    & (11.39)    & (3.06)    &           \\
\quad Latin America & Caribbean                     & 3.09       & 6.07      &           \\
                                                    & (14.91)    & (11.11)   &           \\
\quad Middle East & North Africa                    & -14.61     & -4.29     &           \\
                                                    & (13.77)    & (8.31)    &           \\
\quad South Asia                                    & -27.41^{*} & -20.54    &           \\
                                                    & (13.08)    & (11.14)   &           \\
\quad Sub-Saharan Africa                            & -5.53      & -8.75^{*} &           \\
                                                    & (10.00)    & (3.65)    &           \\
Intercept                                           & 52.94^{*}  & 26.27^{*} &           \\
                                                    & (15.10)    & (6.29)    &           \\
\midrule
AIC                                                 & 2334.94    &           &           \\
BIC                                                 & 2380.28    &           &           \\
Log Likelihood                                      & -1155.47   &           &           \\
Num. obs.                                           & 323        & 323       & 323       \\
Num. groups: pam\_caseid                            & 34         &           &           \\
Num. groups: pam\_year\_count                       & 10         &           &           \\
Var: pam\_caseid (Intercept)                        & 311.48     &           &           \\
Var: pam\_year\_count (Intercept)                   & 0.84       &           &           \\
Var: Residual                                       & 58.61      &           &           \\
R$^2$                                               &            & 0.66      & 0.81      \\
Num. groups                                         &            & 34        &           \\
Adj. R$^2$                                          &            &           & 0.79      \\
RMSE                                                &            &           & 9.87      \\
\bottomrule
\multicolumn{4}{l}{\tiny{Standard errors in parentheses. $^* p < 0.05$ (two-tailed test).}}
\end{tabular}
\end{scriptsize}
\label{tab:m_hligo_nocontrols}
\end{center}
\end{table}
